IGCSE Biology Notes: Human Nutrition & Digestion
IGCSE biology notes on human nutrition should map nutrients → sources → deficiency diseases and summarise digestive enzymes by region of the gut.
Hub: IGCSE biology notes · Human nutrition exam tips · Past paper topic.
Notes layout
| Block | Details |
|---|---|
| Nutrients | CHO, fat, protein, vitamins, minerals, fibre, water |
| Digestive system | Label diagram; enzyme table |
| Small intestine | Villus structure — large surface area |
| Assimilation vs absorption | Definitions in margin |
Frequently asked questions
Villus diagram from memory?
High-yield — practise weekly with annotated diagrams guidance.
Bile and lipase?
Include roles in fat digestion on same page.
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